Finding the Fourth Proportional to 12,542,428.26, 18,815,511.87 and 4,454,724.42
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Solution
The fourth proportional to 12,542,428.26, 18,815,511.87 and 4,454,724.42 is: 6,682,750.62
Step by Step Solution
- Step 1: Write the proportion equation
12,542,428.26 : 18,815,511.87 = 4,454,724.42 : x - Step 2: Convert to fraction form
12,542,428.26/18,815,511.87 = 4,454,724.42/x - Step 3: Cross multiply
12,542,428.26x = 18,815,511.87 × 4,454,724.42 - Step 4: Simplify right side
12,542,428.26x = 83,817,920,202,088.88 - Step 5: Solve for x
x = 83,817,920,202,088.88/12,542,428.26 - Step 6: Final answer
x = 6,682,750.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.